ci: run repo health check in quality checks workflow

.github/workflows/quality-checks.yml

@@ -19,6 +19,10 @@ jobs:
           go-version: '1.25.5'
           cache-dependency-path: backend/go.sum
 
+      - name: Repo health check
+        run: |
+          bash scripts/repo_health_check.sh
+
       - name: Run Go tests
         id: go-tests
         working-directory: ${{ github.workspace }}
@@ -76,6 +80,10 @@ jobs:
     steps:
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
 
+      - name: Repo health check
+        run: |
+          bash scripts/repo_health_check.sh
+
       - name: Set up Node.js
         uses: actions/setup-node@395ad3262231945c25e8478fd5baf05154b1d79f # v6.1.0
         with: